C312322331333132212111133133313331333133312121111331333123333221   >>    C31232233133313221211113313331333133313331212111133133312333322   <<    C312322331333132212111133133313331333133312121111331333123333223   >>      C312322331333132212111133133313331333133312121111331333123333222   >>